<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<span style="width: 100px;height: 100px;background-color: green;padding: 10px;margin: 20px">this is inline cell:span</span>
<span style="width: 100px;height: 100px;background-color: red">this is inline cell:span</span>
</body>
</html>
